Free
Paid
Thingiverse
Printables
MakerWorld
MyMiniFactory
Cults
Thangs
Gambody
YouMagine
Etsy
cgtrader
Infrastructure 3D Printable Models
Historic Landwasser Viaduct (large Brio bridge)
makerworld.com
Assorted French Cleat/magnetic tool holders
thingiverse.com
